baber/WOPTO huggingface dataset:
Patent GB-1200079-A (GB)
Title: An injection period control device for an electrical fuel injection system
IPC: F02D41/32
Filed: 1967-11-10
Abstract: 1,200,079. Fuel injection systems, electrical. SOC. DES PROCEDES MODERNES D'INJECTION. Nov.10, 1967 [Nov.10 1966], No.51241/67. Heading G1N. In a timing device - for a fuel injection system as described in Specification 1,192, 201, wherein at the beginning of an injection period an RC circuit R1, C2 is energized and a uni-junction transistor 4 produces a pulse to stop the injection when the voltage of its emitter reaches a certain value which is dependent upon the capacitance of C2, -there, is provided a capacitor 5 which can be selectively switched manually e.g. by a vehicle driver, to change the capacitance of the RC circuit and thus the length of the injection period. With C5 switched in parallel with C2 the richness of the mixture is increased and maximum power output is available. The absence of C5 in parallel corresponds to minimum fuel consumption and minimum air pollution by the exhaust.
Patent GB-1409104-A (GB)
Title: Oscillator
IPC: H03K3/0231
Filed: 1972-11-07
Abstract: 1409104 Square wave oscillator; pulse modulation circuits TEXAS INSTRUMENTS Inc 7 Nov 1972 51317/72 Headings H3T and H4L An oscillator circuit comprises a comparator 24, Fig. 3, one input of which is connected to the output of a two level signal reference voltage generator 20A and the other input of which is connected to a sawtooth generator 22A, the output of the comparator being connected to a control input of each generator to alternately change both the reference signal and the sign of the sawtooth slope each time the sawtooth signal exceeds the reference signal, thereby causing the circuit to oscillate. The reference voltage generator may comprise a bridge of four switches A-D with two unequal resistors 54, 56 between its arms, the switches being appropriately operated by the comparator 24 and its inverted output to produce a two level signal at input 34 of the comparator. Similarly two switches E, F supply voltages to a timing circuit 58, 60 to produce a sawtooth signal at input 36 of the comparator 24. The same voltage supply connected to terminals 11 and 13 and 15, 17 with terminal 21 strapped to terminal 17 makes the circuit independent of supply voltage variations. Temperature stability is obtained by matching the temperature coefficients of the resistors 54, 58 or 56, 58 and by making the ratio of resistors 56 : 54 as 2À72 : 1. A voltage may be applied to the terminal 21 to control the frequency. The switches E and F may be discarded and the resistor 58 connected to the junction of the switches A and C (Fig. 5). With the latter arrangement both the two switches B and C can be connected to the input 34 of the comparator and their other ends be connected to a respective supply potential divider, the resistors 54, 56 being discarded (Fig. 6). If the output impedance of the comparator and inverter are sufficiently low, the switches may be dispensed with, (Fig. 8) the potential divider 54, 56 being connected between the input and output of the inverter with the tap connected to the input 34 of the comparator while the timing circuit is connected between the output of the comparator and reference potential, the tap being connected to input 32 of the comparator. The switches may be MOSFET, bipolar transistors, or reed relays. The circuits may also be in integrated form. The resistor 58 may be variable to adjust the frequency. A counting circuit may be connected to the output of the circuit to divide the frequency thereof.
Patent GB-1366607-A (GB)
Title: Rotary fluid pressure translator
IPC: F04C15/00
Filed: 1972-11-10
Abstract: 1366607 Rotary positive-displacement machines APPLIED POWER INDUSTRIES Inc 10 Nov 1972 [11 Nov 1971 2 Nov 1972] 52100/72 Heading F1F In an hydraulic sliding-vane motor the rotor 28 is relieved of axial loading by being coupled to a rotary sleeve 26 by splines 23, 29, the sleeve having internal splines 30 for engagement with a power - output shaft (not shown) and being held against longitudinal displacement by rings 36, 37. When the ring 37 is removed the sleeve can be extracted leftwards of Fig. 3. Inlet and outlet passageways 80, 82 for the working fluid communicate with chambers 40, 42, 44, 46 through ports 92, 94 and the inner ends of slots 48 for the vanes 50 through ports 96, 98. Dummy ports in the form of recesses 92, 94, 104, 106 are provided to balance the axial pressures. The pressures on the inner sides of the vanes assist compression springs 56.
Patent GB-1172076-A (GB)
Title: Supersonic Wave Recording Device
IPC: G01S15/10
Filed: 1966-11-22
Abstract: 1,172,076. Echo-sounding recorder. KODEN SEISAKUSHO K.K. 22 Nov., 1966 [26 Nov., 1965], No. 52316/66. Heading H4D. In a recording system for a sonar having a rotatable transceiving transducer, recording is inhibited during part of the transducer rotation. In the Fig. 1 embodiment, a continuous azimuthal scan of transducer 1 is effected by rotary shaft 2. By means of rotary switch 6 and electromagnetic or transistorized relay 10, received echo signals resulting from ultrasonic pulses transmitted during the scan are applied to the stylus 15<SP>1</SP> of a belt-type or rotary-arm-type chart recorder only when the transceiver beam is within the sector 5 defined by angular limits 4<SP>1</SP>, 4<SP>11</SP>. The resulting record comprises a sequence of range/azimuth plots, one for each complete scan of the transducer. In various modifications recording is inhibited by opencircuiting or short-circuiting either the input or output of echo amplifier 12, and switch 6 may be indirectly coupled to shaft 2, e.g. by a selsyn.
Patent GB-1077410-A (GB)
Title: Apparatus for stripping and separating tobacco or other foliate materials
Inventor: WOCHNOWSKI WALDEMAR
IPC: A24B5/10
Filed: 1964-12-24
Abstract: 1,077,410. Stripping tobacco. K. KÍRBER. Dec. 20, 1965 [Dec. 24, 1964; Jan. 11, 1965], Nos. 52408/64 and 1096/65. Heading A2C. [Also in Division B2] A machine for stripping and separating tobacco includes at least two rotary strippers mounted on horizontal axes, one above the other. As shown tobacco to be stripped and separated is fed by a conveyer 38 to a first stripper 4 consisting of a cage 12 and beater teeth 9. The stripper 4 is mounted between two partial separating ducts 18 and 20 up which air is blown by a blower 54. Light particles emerging from the stripper 4 are carried up the ducts 18, 20, past air separators 31, 27 and gates 30, 26 and delivered to conveyers 98, 96 respectively. The air may be recirculated from the separators 31, 27 to the blower 54 by way of ducts 64 and 66. Other light particles may be carried away by the air stream 78 up a further separating duct 22 to form a stream which joins that travelling up duct 20 for discharge on to conveyer 96. Flaps 90 and 94 may be provided in ducts 20, 22 and dampers 58 and 61 are associated with the blower 54 to regulate the air streams. Heavier material falls to a second stripper 6 and is discharged on to a conveyer 46. In a second embodiment Fig 2 (not shown) four strippers are mounted one above the other with three blowers mounted between adjacent strippers for blowing air transversely into the main separating duct.
Patent GB-1154749-A (GB)
Title: Process for the Preparation of a Printing Plate
IPC: B41N3/08
Filed: 1966-11-23
Abstract: 1,154,749. Photo-sensitive material and their use in producing printing plates. KALLE A.G. Nov.23, 1966 [Nov. 24, 1965], No.52475/66. Headings G2C and G2M. Printing plates are produced by imagewise exposing a positive-working light-sensitive material comprising a metal support coated with a naphthoquinone diazide sulphoric or carboxylic acid amide or ester, developing and cleaning (if necessary) to produce an oleophilic image on a hydrophilic metal background, heating in the presence of a novolak or a resole resin (such resin either being incorporated in the light-sensitive layer or is applied as a solution or an emulsion prior to heating) to at least 180‹C. and then cleaning the background areas to leave a printing plate. The metal support may be aluminium, stainless steel, or a bi- or tri-metallic support, which may be scrubbed with pumice powder before application of the light-sensitive layer. The lacquer may contain a dye or may be a two-phase composition. The cleaning solutions used may be trisodium phosphate, phosphoric acid or hydrofluoric acid. In the examples, diazides used in Specifications 706,028; 739,654; 932,452; 937,123; 937,121 and 941, 914 are used.
Patent GB-1135210-A (GB)
Title: Improvements in or relating to industrial lift trucks
Inventor: GOODACRE CECIL
IPC: B62B3/06
Filed: 1966-11-23
Abstract: 1,135,210. Low-lift trucks. LANSING BAGNALL Ltd. 14 Nov., 1967 [23 Nov., 1966], No. 52509/66. Heading B8H. A truck, for use with a similar truck for handling load containers, comprises a lift platform 11 in the form of a turntable and a body portion 13 supported on a pair of steerable driving wheels 16. The wheels 16 are mounted on rocker arms 17 which are pivoted at 18 and also support castor wheels 19. The lift platform 11 comprises a load supporting ring 27 mounted on a bearing 39 on a lower ring 26. Rocker arms 24 supporting load wheels 25 and castor wheels 22 are pivotally connected at 23 to crank levers 31 which are pivoted to the ring 26 at 32 and which are connected by rods 34 to crank levers 36 pivoted at 38 to the body portion 13. Extension of hydraulic rams 21 to raise the platform 11 causes downward movement of the wheels 22, 25 and the wheels 22, 25 on one side of the truck are caused to rise or fall independently of the platform 11 when the wheels 22, 25 on the other side of the truck fall or rise respectively as in Specification No. 1,127,492. The load wheels 25 are spaced apart on either side of the vertical axis of the load support, and each wheel 16, 19, 22 is mounted so that it is capable of following a circular path about the vertical axis. The rings 26, 27 may be locked by a pin 40.
Patent GB-1197718-A (GB)
Title: Improvements in or relating to the Cultivation of Micro-Organisms.
Inventor: LAINE BERNARD MAURICE
IPC: C12N1/28
Filed: 1966-11-25
Abstract: 1,197,718. Yeast &c. BRITISH PETROLEUM CO. Ltd. Oct.30, 1967 [Nov. 25, 1966], No.52797/66. Heading C6F. In a process which comprises cultivating a hydrocarbon-consuming micro-organism in the presence of a hydrocarbon feedstock, an aqueous nutrient medium and a gas containing free oxygen, the hydrocarbon feedstock being continuously fed to the cultivation stage and a crude product fraction being continuously removed from that stage, at least part of the crude product fraction is subjected to a phase separation treatment e.g. decantation and/or centrifugation, to recover (a) an aerated mixed phase comprising some aqueous phase, residual hydrocarbon and some microorganism, and (b) a denser phase comprising aqueous phase, thereafter at least part of the denser phase is cooled e.g. by passage through a heat exchanger, and the cooled denser phase is recycled to the cultivation stage. Hydrocarbon feedstock: hydrocarbon fractions having a mean molecular weight corresponding to at least 10 carbon atoms per molecule e.g. kerosine, gas oils and lubricating oils. Micro-organisms: yeasts, moulds or bacteria; of the many species particularly mentioned Candida lipolytica and Candida tropicalis are preferred. The take-up of oxygen essential for the growth of the microorganism is ensured by the introduction of air through a sintered surface or by "vortex aeration". The fraction (a) containing the micro-organism may be treated with water containing a surface active agent consisting of or containing a non- ionic detergent. The detergent may have the formula A-(CH 2 CH 2 O) n H, where A is an alcohol or acid residual group, as exemplified by:- H-A n lauric alcohol 7-10 myristic alcohol 7À5-11 oleic alcohol 13-15 palmitic acid 14-17 oleic acid 8À5-11 stearic acid 15À5-19 Alternatively, there may be used a detergent obtained by condensing ethylene oxide with a mixture of lauric alcohol and myristic alcohol to form a product having an ethylene oxide chain fo an average 2 to 10, preferably 8À5, ethylene oxide groups per terminal group. The resulting fraction containing the micro-organism may then be treated with an azeotropic mixture of hexane and isopropanol and spray dried or drum dried. This treatment may precede or follow the drying. An Example is directed to the cultivation of Candida tropicalis in a fermenter in the form of a vertical cylindrical vessel equipped with a propeller and containing a co-axial cylindrical director tube, the ratio of cross-sectional area of the annular space to the cross-sectional area of the interior of the director tube being 1 : 1. The denser phase resulting from a phase separation treatment in accordance with the invention was cooled from 30‹ C to 24‹ C and part of the aerated mixed phase was blended with the cooled denser phase and pumped back to the fermenter. In a comparative experiment the crude product fraction was cooled and recycled without any phase separation treatment.
Patent GB-1144916-A (GB)
Title: Valve with movable valve plate
Inventor: OPITZ HEINZ
IPC: F16K1/36
Filed: 1966-11-25
Abstract: 1,144,916. Valves. INSTITUT FUR CHEMIEANLAGEN. 25 Nov. 1966, No. 52931/66. Heading F2V. The valving elements of a valve floor in a fluid exchange column each comprise a disc 1 provided with radial slits defining segments 3 alternate ones of which are bent downwardly to produce more efficient mixing of the contacting fluids. Movement of the disc is limited by guides 2 extending through floor 4.
Patent GB-1493618-A (GB)
Title: Binocular eyepiece
IPC: G02B27/00
Filed: 1974-12-10
Abstract: 1493618 Binocular eye-pieces; telescopes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Dec 1974 [13 Dec 1973] 53335/74 Heading G2J A binocular eye-piece (e.g. for a telescope) provides a substantially identical image P, P 1  for each eye by compensating for the field tilt which arises because the respective image-forming optical systems are oppositely inclined, by angle γ, to the overall axis #. This is achieved with minimum astigmatism by (a) arranging each optical system so that it operates in conjunction with the pupil of the respective eye to provide an entrance pupil at infinity; (b) including refracting prism means (e.g. air prisms 39, 39 1 ) each having an apex angle not greater than one-third of a radian and spaced from the input image field BOC and (c) orienting the refracting prism means so that image-forming rays traverse the prism under conditions of substantially minimum deviation. The result is that the images B'O'C' and B 1 'O 1 'C 1 ' of the input field BOC in each optical system respectively lie in a plane at right angles to the corresponding image 48, 48 1  of the optical axis. In Fig. 4, air-in-glass prisms are used with their apices towards the axis #. In a modification Fig. 5, (not shown) glass-in-air prisms (60, 60 1 ) are used with their apices away from the axis S. In the latter arrangement, the glass block 40 may be dispensed with.
Patent GB-1415809-A (GB)
Title: Line control and isolating unit for teleprinters
IPC: H04L25/04
Filed: 1973-11-19
Abstract: 1415809 Data transmission; teleprinter arrangements ING C OLIVETTI & CO SpA 19 Nov 1973 [22 Dec 1972] 53646/73 Heading H4P A line control unit for a teleprinter has a plurality of optoelectronic coupling devices electrically isolating the teleprinter from line conductors. The devices may comprise a photo emissive diode and photosensitive transistor combinations. Fig. 4 (not shown) illustrates a two wire arrangement utilizing different optical couplers (60, 75) for transmission and reception, message and curent direction being determined by steering diodes appropriately poled. A matching arrangement will be employed at the line remote end.  Selection of a called number may be through the keyboard of a teleprinter alone or by dialled number in addition, different operation modes being selected by command signals in known manner.
Patent GB-1213482-A (GB)
Title: Video signal recording and reproducing system
IPC: H04N5/781
Filed: 1967-11-29
Abstract: 1,213,482. Recording television signals. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 29 Nov., 1967 [6 Dec., 1966 (2); 20 Dec., 1966 (2); 27 Dec., 1966; 12 May, 1967; 7 July, 1967], No. 64417/67. Heading G5R. [Also in Division H4] To provide facilities for slow-motion and still pictures, a continuous video signal is sampled and recorded discontinuously in concentric circular tracks on a rotating disc by means of a magnetic head capable of intermittent radial movement over the surface of the disc (e.g. by means of a solenoid-operated ratchet, Figs. 4 to 6), the disc being driven in a synchronous relation with the vertical synchronizing signals so that each circular track accommodates a video signal which is an integral multiple of the length of one field. During playback, the playedback signal may be re-recorded by means of a stationary head on an auxiliary track which is then played back to cover the interval while the movable head is stepping to the next track.
Patent GB-1127039-A (GB)
Title: Stop position adjusting device for a receiver shaft of a start-stop telegraph selector
IPC: H04L17/16
Filed: 1966-12-09
Abstract: 1,127,039. Telegraphy. ING. C. OLIVETTI & C. S.p.A. 9 Dec., 1966 [24 Dec., 1965], No. 56311/66. Heading H4P. A mechanism for adjusting the timing of the selector cams relative to received start-stop signal elements in a teleprinter comprises a stop lever 14 which, when released by a release lever 36, permits one revolution of the receiver shaft 7 which carries the cams 20. The stop lever 14 is mounted on a plate 51 which is positioned manually about the shaft 7 to adjust the stop position relative to the cams. An intermediate member 46 carried by a lever 18 is engaged by an arm 40 of release lever 36 and an arm 45 of the stop lever 14 such that there is a substantially constant ratio between the effective length of these arms. General operation.-When the Start element is received electromagnet 24, Fig. 1, releases armature 27 so that lever 31 moves anticlockwise. Pin 38 is now released so lever 36 moves clockwise. Arm 18 thus moves anticlockwise, engaging roller 46 with arm 45 of stop lever 14. Lever 14 moves anticlockwise releasing arm 12 and so allowing shaft 7 to rotate. Cam 49, Fig. 4, moves lever 48 clockwise during the stop element, hence tensioning spring 16 and returning the stop lever to rest and thus preventing more than one revolution of shaft 7. In addition arm 50 of lever 14 engages roller 46 to return lever 36 to rest. Adjustment.-A manual arrangement, Fig. 3 (not shown), permits variation of the position of plate 51 which carries the stop lever 14 and lever 48. This variation also causes variation in the position of the pivot 19 of lever 18. Movement of the stop lever pivot permits corresponding movement in shaft 7, so advancing or retarding cams 7 relative to the selector levers 21. The relative movement of the pivot points is such that the effective length of arms 40, 45, and 50 remain substantially constant; this ensures that the release torque imparted by lever 36 to lever 14 is constant. The receiver can be set to operate at a higher speed, in known manner, by operating lever 77. This also brings into operation mechanism for returning armature 26 to the stop position independently of the received stop element. At the end of the revolution of shaft 7 cam 82, Fig. 4, rotates lever 72 clockwise. Lever 86 is moved anticlockwise and pin 89 moves lever 31 clockwise so restoring armature 26.
Patent GB-1270242-A (GB)
Title: Improvements in or relating to clips
Inventor: NIMMO NEIL DUNCAN
IPC: A47G29/02
Filed: 1968-05-27
Abstract: 1,270,242. Clips. N. D. NIMMO PRODUCTS Ltd. 12 May, 1969 [27 May, 1968; 17 July, 1968; 21 Nov., 1968], Nos. 25225/68; 34007/68 and 55350/68. Heading E2B. A clip of aluminium alloy comprises a foot portion 2 and a resilient arcuate portion 1 which subtends at its centre an angle greater than 180. The foot and arcuate portions are integral and are formed by extrusion of the alloy or are separate and joined by a screw or bolt or the arcuate portion has lateral flanges which engage in a groove in the foot portion. The arcuate portion may be enclosed by provision of a pivoted cover. In a modification the foot portion extends only to one side of the arcuate portion to allow attachment of a plurality of clips to adjacent edges of panels without interfering one with another. A cylindrical member may snap engage in the clip. The cylindrical member may comprise two tubular parts having an elliptical internal cross section the parts being joined by inserting a piece of tube having an elliptical external cross section and by rotating the piece to clamp the parts together.
Patent GB-1147117-A (GB)
Title: Dry product dispensing apparatus
IPC: B65G65/44
Filed: 1967-12-08
Abstract: 1,147,117. Dispensing powdered chocolate. CANTEEN CORP. 8 Dec., 1967 [12 Jan., 1967], No. 55871/67. Heading B8S. Powdered chocolate contained in container 10 is stirred by arms 90, 92 which are provided with wires 100 which scrape the sides of the container. The material falls through holes in the base and through holes 68 in the gear shown and is discharged by screw 46 through aperture 26. Screw 46 is driven by motor 50 which also drives shaft 62 via gear 60 which in turn rotates agitator 74 via gear 70 for stirring the material in the well of the hopper.
Patent GB-1285900-A (GB)
Title: Arrangements for marking elongated articles
Inventor: MINEHART ROBERT FAIRLEY
IPC: H01B13/34
Filed: 1969-11-18
Abstract: 1285900 Automatic speed control WESTERN ELECTRIC CO Inc 18 Nov 1969 [26 Nov 1968] 56378/69 Heading G3R An elongated article is marked by a driven rotatable mechanism. The speeds of the article and the mechanism are synchronized by generating a first signal representing the difference between the speeds of the driving devices for the article and for the mechanism and a second signal representing the difference in the speeds of the driving device of the marking mechanism and of a control member moved by the article. The two signals are combined to provide an analog control signal which acts on the device driving the marking mechanism. The system is intended to provide an accurate means of printing footage markings on jacketed cable during reeling. As shown, cable 11 is advanced by a capstan 13 towards a reel 14. Rollers 22, 23 guide the cable past a printing wheel 18 which is rotatably driven by a motor 27 at a tangential speed which is regulated to that of the cable. If the motor 27 is of the A.C. type, it may be controlled using an eddy current clutch and brake. If a D. C. motor is used, the armature current and field excitation may be controlled. The speed of the wheel 18 is controlled by a regulator 30 which receives a first input from a comparator 31. This comparator is in turn fed by tachogenerators 23, 24 coupled respectively to the capstan 13 and the drive of the wheel 18. A second input to the regulator is provided by a digital counter and D/A converter 32 which receives, counts and compares pulse trains from a transducer39 coupled to a control wheel 36 frictionally driven by the cable 11, and from a second transducer 41 coupled to the drive of wheel 18. The analog output of the converter 32 is amplified and, in the regulator 30, over-rides the input from the comparator 31 in the formation of the control signal which determines the driving speed of the printing wheel 18. Preferably the wheels 18, 36 have equal circumferences of, say, two feet, but slight differences can be compensated by the addition of an appropriate number of counts to one of the circuits of counter-converter 32. During operation, wheels 18, 36 drive footage counter 21, 38 respectively to provide a visual indication of the amount of cable reeled as well as a check on the synchronizing system.